A proud bronze billy stands as an eternal symbol of Ireland's oldest festival, where a goat is made king.

An unusual manor of stunning beauty, born out of a crippling disease.

An Irish church where an 800-year-old mummy is reaching out of his coffin as if to shake hands.

The final resting place of soldiers' loyal canine companions.

Stonehenge has nothing on Castlerigg’s views.

This Yellowstone geyser may not shoot as high as the nearby Old Faithful, but it erupts for considerably longer.

A beautiful geyser under environmental threat.

The largest hot spring in the United States is, as the name suggests, a stunning show of natural color.

One of nature's most well-scheduled phenomenons resides in Wyoming's Yellowstone National Park.

The first declared National Monument in the United States.

These sub-farmland caves are home to a majestic stalactite known as the "Crystal King."

These tourist trap caverns are said to be the former home of a legendary Pennsylvania Hermit.

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.

Three hundred years of preserved Spanish colonial history in San Antonio.

Belly up to the bar in Cowtown, don't forget to buy some boots.

Home to the largest urban bat colony in North America, estimated at 1.5 million bats.

The semi-reclaimed ruins of this canal were once part of an ambitious plan to reroute the mighty potomac.

At Washington's Dulles Airport is a satellite museum (no pun intended) with three quarters of a million square feet of aircraft history.

The last holdout of a pre-Civil War rebel who took the matter of slavery into his own hands.

An organ located deep within a cave, whose "pipes" are the geological features of the cave itself.